LAB 2 exam

Question 1

site of fetal development

Answer 1

uterus

Question 2

copulatory canal

Answer 2

vagina

Question 3

“fertilized egg” typically formed here

Answer 3

Fallopian tubes

Question 4

becomes erectile during sexual excitement (female)

Answer 4

Clitoris

Question 5

duct extending superolaterally from the uterus

Answer 5

fallopian tubes

Question 6

partially closes the vaginal canal; a membrane

Answer 6

hymen

Question 7

produces ooctyes, estrogens, and progesterone

Answer 7

ovaries

Question 8

fingerlike ends of the uterine tube

Answer 8

Fimbriae

Question 9

Do any sperm enter the pelvic cavity of the female? why or why not?

Answer 9

Yes, because the female reproductive system is an open system.

Question 10

What is an ectopic pregnancy, and ow can it happen?

Answer 10

Implantation that occurs outside the uterus

Question 11

structures composing the external genitalia, or vulva, of the female

Answer 11

mons pubis, labia majora, labia minora, clitoris, vestibule, hymen, urethral opening, and vaginal opening

Question 12

Put the vestibular-perineal structures in their proper order from the anterior to the posterior aspect.

Answer 12

Clitoris, urethral opening, vaginal orifice, anus

Question 13

Clitoris is homologous to-

Answer 13

Penis

Question 14

Common part of any physical exam of the male is palpation of the prostate gland. How is this accomplished?

Answer 14

Rectally

Question 15

how might enlargement of the prostate interfere with urination or the reproductive ability of the male?

Answer 15

Restricts the urethra

Question 16

Two principles functions of the tetstis

Answer 16

Sperm and testosterone

Question 17

copulatory organ/penetrating device

Answer 17

Penis

Question 18

Site of sperm/androgen production

Answer 18

Testes

Question 19

Muscular passageway conveying sperm to the ejaculatory duct; in the spermatic cord

Answer 19

Ductus deferens or vas deferens

Question 20

Transports both sperm and urine

Answer 20

Spongy urethra

Question 21

Sperm maturation site

Answer 21

Epididymis

Question 22

Location of the testis in adult males

Answer 22

Scrotum

Question 23

Loose fold of skin encircling the glans penis

Answer 23

foreskin (prepuce)

Question 24

portion of the urethra between the prostate gland and the penis

Answer 24

membranous urethra

Question 25

empties a secretion into the prostatic urethra

Answer 25

prostate gland

Question 26

empties a secretion into the membranous urethra

Answer 26

bulbourethral glands (cowper’s gland)

Question 27

Why are the testes located in the scrotum rather than inside the ventral body cavity?

Answer 27

Difference in temperature

Question 28

Trace the pathway of sperm from the testes to the urethra

Answer 28

Seminiferous tubule, rete testis, epididymis, ductus deferens

Question 29

What are the 3 genes that can mutate, causing breast cancer?

Answer 29

BRCA1, BRCA2, P53

Question 30

What is the purpose of an ultrasound during a breast examination?

Answer 30

It can determine if a lump is a fluid filled cyst or solid (and therefore possibly malignant)

Question 31

What are the chemotherapeutic drugs available for breast cancer?

Answer 31

Tamoxifen (Nolvadex): An estrogens antagonist which blocks receptors, decreasing stimulating effects of estrogen on breast cells.

Herceptin: A monoclonal antibody drug which retards the growth of the disease by causing cellular regression.

Femara and Amimidex: Which are aromatase inhibitors which block the final steps in synthesis of estrogens.